Microstrip antenna having a metal frame for control of an antenna lobe
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United States of America Patent
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-
Feb 8, 2000
Grant Date -
N/A
app pub date -
Feb 13, 1998
filing date -
Feb 14, 1997
priority date (Note) -
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Abstract
A device for and/or comprised in antennas, in particular microwave antennas such as microstrip antennas, for controlling the antenna lobe and completely or partially suppressing cross-coupling between the polarizations in dual-polarized antenna elements. A metal frame, the sides of which can be angled for a desired lobe width, is positioned around each antenna element on top of the ground plane of the antenna. The shape and positioning of the metal frame around the antenna element also control the antenna lobe. In this way, the antenna lobe can be controlled in the desired manner irrespective of the size of the ground plane of the antenna, which depends, for example, on a desired microstrip distribution network for the antenna.
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